/**
 * Copyright 2009 cestum.org
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.cestum.cave.presenter.wave.cursors
{
	import org.waveprotocol.wave.model.document.operation.AnnotationBoundaryMap;
	import org.waveprotocol.wave.model.document.operation.Attributes;
	import org.waveprotocol.wave.model.document.operation.DocInitializationCursor;
	
	public final class FindLastLineCursor implements DocInitializationCursor
	{
		var userId:String;
		var totalLines:int = 0;
		var lastLine:int = -1;
		public function FindLastLineCursor(user:String)
		{
			this.userId = user;
		}
		
		public function annotationBoundary(map:AnnotationBoundaryMap):void
		{
		}
		
		public function characters(chars:String):void
		{
		}
		
		public function elementStart(type:String, attrs:Attributes):void
		{
			if (type == caveRenderUtils.LINE) {
				totalLines++;
				if (userId == (attrs.getValue(caveRenderUtils.LINE_AUTHOR))) {
					lastLine = totalLines-1;
				}
			}
		}
		
		public function elementEnd():void
		{
		}
		
		public function getLastLine():int {
			return lastLine;
		}
	}
}